axial core

例句：

1. 1. The design of the new car has an axial core that is both functional and aesthetically pleasing.
   这款新车的设计有一个轴心核心，既实用又美观。
2. 2.The axis of the planets revolves around a central core, which is made up of molten iron.
   行星的轴线围绕一个核心转动，这个核心是由熔化的铁构成的。
3. 3. The study of axial cores in spacecraft engines is crucial for understanding their performance.
   研究航天器引擎中的轴心核心对于理解其性能至关重要。